{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{1}{ccccccc}}
\hline\hline
                    &\multicolumn{7}{c}{Pre 1946}                                                              \\
                    &        mean&          sd&         min&         p25&         p50&         p75&         max\\
\hline
US Revenue/GDP      &         2.4&         1.0&         0.5&         1.7&         2.2&         2.8&         6.1\\
US Spending/GDP     &         2.0&         1.5&         0.6&         1.4&         1.7&         2.1&        12.2\\
US Surplus/GDP      &         0.5&         1.7&        -8.9&         0.1&         0.5&         1.4&         3.3\\
\hline
Observations        &         122&            &            &            &            &            &            \\
\hline\hline
\end{tabular}
}
